<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <!-- number转数字 -->
        <input type="text" v-model.number="n1"> + <input type="text" v-model.number="n2"> = {{n1 + n2}}
        <hr>
        <!-- trim去空格 -->
        <input type="text" v-model.trim="text">
        <button @click = "getName">获取名字</button>
        <hr>
        <!-- lazy不实时同步 -->
        <input type="text" v-model.number.lazy="age">
    </div>
    <script src="./lib/vue-2.6.12.js"></script>
    <script>
        const vm = new Vue({
            el: '#app',
            data: {
                n1: "",
                n2: "",
                text: "zs",
                age:18,
            },
            methods: {
                getName() {
                    console.log(`名字是"${this.text}"`);
                }
            }
        })
    </script>
</body>
</html>